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Callaway GBB Epic and Epic Sub Zero Fairway Woods: What you need to know

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With Callaway’s new GBB Epic and GBB Epic Sub Zero drivers, the company is relying on a new technology called “Jailbreak” to offer breakthrough performance. With its new fairway woods that have the same names, the company is using a new-and-improved version of a tried-and-true technology, its Hyper Speed Face Cup, to deliver better performance.

Callaway_fourth_generatin_face_cup

Callaway’s new fairway woods used the company’s latest Hyper Speed Face Cup technology.

Now in its fourth generation, Callaway has been using Face Cups to give golfers more fairway wood distance since the company launched its X Hot line in 2013. What’s new with the latest version of the technology is that the Face Cups now have a thinner rim on their inside edge. Callaway says it “flexes and releases more uniformly and efficiently at impact to increase ball speed across the face.”

Here’s what else you need to know about Callaway’s new GBB Epic and GBB Epic Sub Zero fairway woods (both $279.99), which will be in stores January 27.

GBB_Epic_Sub_Zero_Comparison_Address

  • The GBB Epic and GBB Epic Sub Zero borrow new technology from Callaway’s new drivers. They use the company’s triaxial carbon fiber crowns, which are 78 percent lighter than the all-steel crowns used on the company’s XR ’16 fairway woods (Epic Crown = 5.8 grams, XR ’16 Crown = 26.5 grams). Callaway used the reclaimed weight to make the fairway woods more forgiving.
  • They use new aerodynamics, too. Last year, Callaway debuted a technology developed with help from Boeing to improve the aerodynamics of its XR ’16 metal woods. They were called “Speed Steps,” raised portions on the front of a club’s crown that help golfers swing the clubs faster. Both the GBB Epic and GBB Sub Zero employ Speed Steps.
GBB_Epic_Sub_Zero_Fairways

Callaway’s Epic Sub Zero fairway woods use two adjustable weights (22 and 3 grams) to help golfer’s tweak launch conditions for better performance.

  • Two distinct models. Like Callaway’s GBB Epic Sub Zero driver, the GBB Epic Sub Zero fairway woods use two adjustable weights (22 and 3 grams), which allow golfers to position center of gravity more forward or more rearward in the club head. The heavy-weight-forward position is the lowest-spin setting. The heavy-weight-back position creates a higher ball flight and adds forgiveness. The GBB Epic offers an even higher trajectory, as well as slightly more draw bias in its neutral setting.
  • GBB Epic Sub Zero Lofts: 13.5 degrees, 15 degrees, 18 degrees

GBB_Epic

  • GBB Epic Lofts: 14 (3+), 15 (3), 18 (5), 21 (7), 24 (9), 20.5 (Heavenwood)
  • Both fairway woods have adjustable hosels. Callaway’s Opti-Fit adjustability hosels offer golfers a 3-degree range of loft adjustability, as well as two different lie angles (standard and draw).

GBB_Epic_Sib_Zero_Face_Comparison

  • Stock Shaft Options: Project X HZRDUS T800 Green, Fujikura Pro Green, Diamana M+ Green and Aldila Rogue MAX. Several more shafts are available at no extra cost from Callaway.

From the Forums: See what GolfWRX Members are saying about Callaway’s GBB Epic and GBB Epic Sub Zero drivers and fairways.

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6 Comments

6 Comments

  1. Brent

    Jan 4, 2017 at 9:28 pm

    Looks just like the Titleist 915F.

    • golfraven

      Jan 6, 2017 at 7:11 am

      I fully agree with you! Titleist hasbeens.

    • JGOLF

      Jan 6, 2017 at 11:20 am

      Minus the visible weight and speed channel.

  2. Sean

    Jan 4, 2017 at 9:11 pm

    I am a big fan of the fairway woods.

  3. Kevin

    Jan 4, 2017 at 9:50 am

    From the bottom, the SZ version almost looks like a hybrid.

    • Nd

      Jan 4, 2017 at 11:14 am

      Yeah. And it’s got grooves on the face like an iron too

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Whats in the Bag

Chesson Hadley WITB 2024 (March)

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Driver: Titleist TSR3 (10 degrees, D1 SureFit setting)
Shaft: Mitsubishi Diamana D+ 70 TX

3-wood: Titleist TSR2+ (14.5 degrees, A1 SureFit setting)
Shaft: Mitsubishi Diamana D+ 80 TX

Irons: Titleist T200 (3), Titleist 620 CB (4, 5), Titleist 620 MB (6-PW)
Shafts: Graphite Design Tour AD DI 105 X (3), True Temper Dynamic Gold Tour Issue X100 (4-PW)

Wedges: Titleist Vokey Design SM10 (52-12F, 56-14F), WedgeWorks (60-K)
Shafts: True Temper Dynamic Gold Tour Issue S400

Putter: Odyssey White Hot OG 2-Ball
Grip: Odyssey

Grips: Golf Pride Tour Velvet

Ball: Titleist Pro V1x

Check out more in-hand photos Chesson Hadley’s clubs here.

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Whats in the Bag

Gary Woodland WITB 2024 (March)

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Driver: Cobra Darkspeed X (8 degrees)
Shaft: Accra TZ5 70 M5

  • The white circle that appears at the top of the face a removable sticker that’s used for launch monitor tracking, and Woodland removes it for competition!

3-wood: Cobra Darkspeed X (14 degrees)
Shaft: Accra TZ5 GW100 Prototype

7-wood: Cobra LTDx LS prototype (20 degrees)
Shaft: Accra TZ5 GW100 Prototype

Irons: Wilson Staff (18 degrees), Cobra King MB (4-PW)
Shafts: KBS Tour C-Taper Limited X

Wedges: Cobra SB (48), Titleist Vokey Design SM10 (52-08F, 56-14F), Cobra King (60)
Shafts: KBS Tour C-Taper Limited X (48 degrees), KBS Tour V-Ten 125

Putter: Scotty Cameron T-5 Proto
Grip: SuperStroke Zenergy Tour 3.0P

Ball: Titleist Pro V1x

Grips: Golf Pride Tour Velvet Cord

See more in-hand photos of Gary Woodland’s WITB in the forums.

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Q&A: Martin Trainer on his Bobby Grace “Greg Chalmers” putter, 6.5-degree driver, and “butter knife” 2-iron

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As unbiasedly as I can put it, Martin Trainer has one of the coolest club setups in professional golf. (At some point soon, I’ll put together a top-10 list of “coolest club setups on Tour,” but I know that Trainer will be in the top-10)

What a lineup. He plays a 6.5-degree Wilson prototype driver, a 13-degree Wilson prototype 3-wood, a true blade Wilson Staff Model 2-iron, and a Bobby Grace “Greg Chalmers Commemorative” putter!

 

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I mean, look at this 2-iron from address…

To quote the great author R.L. Stine: “Goosebumps.”

On Wednesday at the 2024 Texas Children’s Houston Open, I caught up with Trainer to learn more about his bag setup.

Here’s what he had to say:

You have the Internet going crazy over your bag setup, and your putter. Where’d you pick the Bobby Grace-Greg Chalmers putter up? How long have you had it?

MT: This was from when Bobby Grace came to my course in California: Cal Club. And for whatever reason, they just started having them in the shop. So then I took my buddy’s, started using it, and made, like, a million putts in a row, which is how every putter story begins, I guess.

And then, I bought a couple of my own, used it for years, got to the Tour with it, won on Tour with it (the 2019 Puerto Rico Open). Then, about a year later, started using another putter, did that for a couple years, but now it’s back in the bag.

When did it come back in the bag?

MT: December of this past year. So a few months ago.

What year would you say was the first time you threw that in the bag, or, like, when you bought it?

MT: God…Probably, 2016, maybe? 2018?

Do you remember how much you paid for it?

MT: I don’t know, actually. Maybe $100-150 bucks or something. I think that’s the only golf club I’ve bought between high school and now. Well, two, since I bought two of them.

The driver is interesting, too. What went into the prototyping process?

MT: That was a version of the current driver, but it was the prototype that they first came out with for Tour guys to try. And for whatever reason, I just never switched out to the new one.

It’s just 6.5 degrees, right?

MT: Yeah. Very low loft, yeah.

What kind of ball speed do you have with that these days?

MT: Like high 170’s.

Yeah, that’ll work. And then a 2-iron blade? We’re seeing fewer and fewer of those out here.

MT: Yeah. The butter knife.

Very cool thing to have in the bag. Have you done any testing with driving irons? 

MT: Yeah, I used to have a thicker one, but it was a little offset, and I never hit it that well. And then finally, I started messing around with the butter knife. And I remember the first time I looked down at it, I was terrified. And then I ended up getting used to it, putting it in play, and it’s been in place since. It’s a pretty good club for me.

How far do you carry that? 

MT: Like 235.

A good little wind club, I’m sure.

MTL Yeah, exactly. I can hit it very low. It’s great.

I love it. You have people shook looking at that. Thanks for the time, man. 

MT: Absolutely.

To see more photos and discussion of Trainer’s bag, click here.

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